Specification:
Type: Hexagon Screw Bolt
Diameter: 3/8"
Length: 1-1/2"
Thread: 16
Material: Carbon Steel
Surface treatment: Galvanized
Package includes: 10 x 3/8"-16x1-1/2" Hexagon Screw Bolt + 10 x 3/8"-16 Wing Nut + 10 x 3/8" Flat Washer
Fine workmanship, smooth surface without burr, complete and deep thread head, uniform stress, not easy to slip, firm and durable
The butterfly nut is specially designed to be tightened by bare hand, instead of using a screw driver, butterfly head, thus increasing the lateral support surface and making the hand torsion more effective
It is mainly used for household and office equipment, communication equipment, automobile industry, ship assembly and other machinery industry equipment which need frequent disassemble and maintenance